From nobody Sun Feb 8 14:31:44 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BE5AB6AB9 for ; Sun, 7 Apr 2024 06:49:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712472591; cv=none; b=AmhJca/rRDRPsFroVjG00appD1oF3WTcDuLftZF6/MfmOMWPCvb8NLMIyf+u7Pq5zcYcmvpmNHCtYIFwfQM4vJeo90APxu6dNGHeSXjBZ1tSBG0X2C7Zmx2a7HFb7QCmBzYIzxTSU9nS9lKq2epBSr3vupdOat8FUOxyCUqLk/4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712472591; c=relaxed/simple; bh=VzBgMWIipo8dvuOwdfeJHy93Ig+nMTsHCDqomq9vKyM=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=f8CiVFVQxGiwTTM9R20D7lSvhQLH4Gbwyx3xsDGMYMkdSA9dC7Z2Pzpk3Q4HEzQRDNmnsxdvCQE98GnOVg76cH/Mqmue722RYor/6I5ENQfCkiDUvrEPtUOdDDrBUPezy10E5xYEUCf3jQByebhibrphXDHIfYHYFwWssxeu4VA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 853831faf4a911eeaf09c5092e5928d1-20240407 X-CID-O-RULE: Release_Ham X-CID-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.37,REQID:6a87ddd8-a97e-488c-b23f-a506d9702244,IP:15, URL:0,TC:0,Content:-5,EDM:0,RT:0,SF:-1,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:9 X-CID-INFO: VERSION:1.1.37,REQID:6a87ddd8-a97e-488c-b23f-a506d9702244,IP:15,UR L:0,TC:0,Content:-5,EDM:0,RT:0,SF:-1,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:9 X-CID-META: VersionHash:6f543d0,CLOUDID:d014e1c5571e26ea1f8e0c8013bf06fb,BulkI D:240407143903GLJEOIN6,BulkQuantity:0,Recheck:0,SF:66|38|25|72|19|44|102,T C:nil,Content:0,EDM:-3,IP:-2,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil ,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FSD,TF_CID_SPAM_FSI X-CTIC-Tags: HR_CC_COUNT, HR_CC_DOMAIN_COUNT, HR_CC_NAME, HR_CC_NO_NAME, HR_CTE_8B HR_CTT_MISS, HR_DATE_H, HR_DATE_WKD, HR_DATE_ZONE, HR_FROM_NAME HR_SJ_LANG, HR_SJ_LEN, HR_SJ_LETTER, HR_SJ_NOR_SYM, HR_SJ_PHRASE HR_SJ_PHRASE_LEN, HR_SJ_WS, HR_TO_COUNT, HR_TO_DOMAIN_COUNT, HR_TO_NO_NAME IP_TRUSTED, SRC_TRUSTED, DN_TRUSTED, SA_TRUSTED, SA_EXISTED SN_TRUSTED, SN_EXISTED, SPF_NOPASS, DKIM_NOPASS, DMARC_NOPASS CIE_BAD, CIE_GOOD_SPF, GTI_FG_BS, GTI_RG_INFO, GTI_C_BU AMN_T1, AMN_GOOD, AMN_C_TI, AMN_C_BU, ABX_MISS_RDNS ZHF_RECV_LOCALHOST X-UUID: 853831faf4a911eeaf09c5092e5928d1-20240407 X-User: gehao@kylinos.cn Received: from localhost.localdomain [(116.128.244.171)] by mailgw (envelope-from ) (Generic MTA) with ESMTP id 181228655; Sun, 07 Apr 2024 14:39:01 +0800 From: Hao Ge To: akpm@linux-foundation.org, Liam.Howlett@oracle.com, vbabka@suse.cz, lstoakes@gmail.com, willy@infradead.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, gehao618@163.com, Hao Ge Subject: [PATCH] mm/mmap: make accountable_mapping return bool Date: Sun, 7 Apr 2024 14:38:43 +0800 Message-Id: <20240407063843.804274-1-gehao@kylinos.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" accountable_mapping can return bool,so we change it Signed-off-by: Hao Ge --- mm/mmap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index ac219f1689e0..e37dd5c9ffee 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1549,14 +1549,14 @@ bool vma_wants_writenotify(struct vm_area_struct *v= ma, pgprot_t vm_page_prot) * We account for memory if it's a private writeable mapping, * not hugepages and VM_NORESERVE wasn't set. */ -static inline int accountable_mapping(struct file *file, vm_flags_t vm_fla= gs) +static inline bool accountable_mapping(struct file *file, vm_flags_t vm_fl= ags) { /* * hugetlb has its own accounting separate from the core VM * VM_HUGETLB may not be set yet so we cannot check for that flag. */ if (file && is_file_hugepages(file)) - return 0; + return false; =20 return (vm_flags & (VM_NORESERVE | VM_SHARED | VM_WRITE)) =3D=3D VM_WRITE; } --=20 2.25.1